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1606 Bretylium
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Properties

Background

Yellow
Bottle

Red
Cap

Blue
Syringe

Light blue
Bubbles
No
Drops
No
Label
Leaf

Chemistry

Formula
C11H17BrN+
Carbon
11
Polarity
Positive

Bretylium (also bretylium tosylate) is an antiarrhythmic agent. It blocks the release of noradrenaline from nerve terminals. In effect, it decreases output from the peripheral sympathetic nervous system. It also acts by blocking K⁺ channels and is considered a class III antiarrhythmic. The dose is 5–10 mg/kg and side effects are high blood pressure followed by low blood pressure and ventricular ectopy.

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